Insecta - Odonata - Dysagrionidae

Full reference: S. B. Archibald and R. A. Cannings. 2021. Taxonomic names, in The Cephalozygoptera, a new, extinct suborder of Odonata with new taxa from the early Eocene Okanagan Highlands, western North America. Zootaxa 4934:1-133

Parent taxon: Dysagrionidae according to J. L. Ware et al. 2025

See also Archibald and Cannings 2021

Sister taxa: Allenbya, Dysagrioninae, Dysagrionites, Menatagrion, Paradysagrion, Petrolestinae, Thanetophilosina, Valerea

Subtaxa: Stenodiafanus westersidei

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Type: Stenodiafanus westersidei

Ecology: fast-moving volant carnivore-insectivore

Distribution: found only at Republic, locality B4131 (Eocene of Washington)

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Specimen images are retrieved through the ePANDDA API.